You are hitting the nail on the head with the communication issues. Truth be told, I am more senior and the rest of the leadership team understands that this individual needs a lot of management and shouldn't be allowed to implement stuff on their own.

"If his arguments are shaky, he will step down from the pedestal on his own when he realises that this decision is inefficient and unnecessary." - The sad part about this person is that when presented with this type of feedback, they always double and triple down despite the facts on the board, it is really odd and risky behavior to be honest.

At the end of the day, I am the person who has to put him in his place, so I want to make sure I am not missing a major point of consideration with celery.